ZAM blends zinc, aluminium and magnesium in one coating. Against hot-dip galvanized steel of similar thickness, published test data shows greater corrosion resistance and better scratch resistance, and its zinc-magnesium corrosion products form a protective barrier over exposed cut edges. That performance makes ZAM the dominant steel choice in Solaracks ground systems, rated for C4 environments.
Technical parameters
| Material | ZAM steel S350GD, SS304, HDG Q235B | |
|---|---|---|
| Steel strength | 420 MPa ultimate / 350 MPa yield | |
| Coating weight | 300 g/m², higher standards available | ISO 9223 C4 |
| Wind speed | Up to 88 m/s | AS/NZS 1170.2 / ASCE 7-22 |
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